Way of the turtle


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Way Of The Turtle

Avoid the Future Tense
Earlier in the book we established how cognitive biases can torture
potentially good traders. Recency bias, the strong need to feel that
one is right, and the propensity to predict the future are to be
avoided at all costs.
50

Way of the Turtle


Table 4-1
1998 Cocoa Breakout Trades 
Number
Unit
Entry
Position
Price
Quantity
Exit
%
Profit Total
1
1
27 Apr
L
2,249 
6
2,234 
(2.4)
$ (1,197)
2
1
6 May
L L
2,261 
6
2,246 
(2.1)
$ (1,026)
3
1
12 May
L L
2,276 
6
2,261 
(2.2)
$ (1,036)
4
1
14 May
L L
2,283 
6
2,268 
(2.4)
$ (1,133)
5
1
23 Jun
S
2,100 
6
2,114 
(2.3)
$ (1,061)
6
1
25 Jun
S
2,094 
6
2,108 
(2.4)
$ (1,053)
7
1
29 Jun
S
2,085 
6
2,099 
(3.0)
$ (1,317)
8
1
15 Jul
S
2,070 
6
2,084 
(2.5)
$ (1,066)
9
1
27 Jul
S
2,069 
5
2,083 
(1.9)
$ (777)
10
1
3 Aug
S
2,050 
5
2,064 
(2.7)
$ (1,104)
11
1
13 Aug
S
2,036 
6
2,049 
(2.2)
$ (848)
12
1
17 Aug
S
2,024 
6
2,036 
(3.0)
$ (1,155)
13
1
24 Aug
S
2,024 
6
2,035 
(2.4)
$ (874)
14
1
16-Sep
S
2,014 5
2,026 
(2.1)

(756)
15
1
1 Oct
S
1,979 
5
1,992 
(2.4)
$ (845)
16
1
13 Oct
S
1,976 
5
1,988 
(2.2)
$ (779)
17
1
28 Oct
S
1,967 
5
1,979 
(2.1)
$ (722)
$(16,750)
18
1
6 Nov
S
1,961 
5
1,438 
75.0 
$ 24,940 
19
2
20 Nov
S
1,918 
6
1,928 
(2.4)
$ (799)
20
2
24 Nov
S
1,903 
6
1,914 
(3.0)
$ (975)
21
2
30 Nov
S
1,892 
5
1,903 
(2.7)
$ (834)
22
2
8 Dec
S
1,873 
5
1,438 
67.2 
$ 20,575 
23
3
21 Dec
S
1,824 
5
1,836 
(3.5)
$ (1,075)
24
3
4 Jan
S
1,808 
5
1,820 
(2.4)
$ (709)
25
3
15 Jan
S
1,798 
4
1,438 
46.7 
$ 13,468 
26
4
25 Jan
S
1,748 
4
1,760 
(2.1)
$ (608)
27
4
27 Jan
S
1,742 
4
1,754 
(2.1)
$ (605)
28
4
8 Feb
S
1,738 
7
1,438 
42.8 
$ 19,275 
$55,903

51



To overcome the third affliction, you need to think about the
future in terms of possibilities and probabilities rather than in terms
of prediction. When my circle of friends learned of my success as a
Turtle, they kept asking what direction I thought a particular market
would take. Everyone assumed that because I was part of a renowned
trading group and had made millions trading futures, it must have
been because I knew something definitive about the future. My stan-
dard response surely surprised them: “I have no idea.” The truth was
that I really didn’t. Sure, I could have guessed, but I had absolutely
no faith in my ability to predict markets. In fact, I purposely did not
attempt to predict the future direction of markets.
Unfortunately, unless you happen to be an actuary working for
an insurance company, you generally do not think in terms of prob-
abilities. People tend to think in terms of likely or unlikely but
never in terms of probabilities. That is why insurance companies
insure against uncertain risks. An event such as a hurricane destroy-
ing your house is one such risk. There is a certain probability that
there will be a hurricane that affects your house if you live near the
tropical ocean. There is a slightly lower probability that the hurri-
cane will be strong enough to damage your home. There is an even
lower probability that it will be powerful enough to destroy your
home completely.
If you knew that your house would be destroyed by a hurricane with
100 percent certainty, you would not buy insurance; you would move.
Fortunately, the risk of that happening is less than 100 percent, so
much less in fact that you decide to stay and insure your house.
An insurance company that insures against hurricanes will have
a fairly good idea of the level of damage that is likely to occur at
your particular location when it prices a policy covering such an

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